class_docstr: Smoke tests for sox_util module
docstr: `list_write_formats` returns the list of supported formats
docstr_tok: ["`","list_write_formats","`","returns","the","list","of","supported","formats"]
code: def test_list_write_formats(self):
      """`list_write_formats` returns the list of supported formats"""
      formats = sox_utils.list_write_formats()
      assert "opus" not in formats
  
file_path: audio/test/torchaudio_unittest/utils/sox_utils_test.py
imports: from torchaudio.utils import sox_utils
  from torchaudio_unittest.common_utils import PytorchTestCase, skipIfNoSox
label_desc: Use image node_id 7 for calling the TestSoxUtils obj's underlying member method code with example usage: obj.test_list_write_formats() without return types